From c6c98d0897ce1e040d041a655fb3e7dc14e96c45 Mon Sep 17 00:00:00 2001 From: Stefano Sabatini Date: Wed, 8 Sep 2010 15:07:14 +0000 Subject: Move mm_support() from libavcodec to libavutil, make it a public function and rename it to av_get_cpu_flags(). Originally committed as revision 25076 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavutil/cpu.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 libavutil/cpu.c (limited to 'libavutil/cpu.c') diff --git a/libavutil/cpu.c b/libavutil/cpu.c new file mode 100644 index 0000000000..fb37edb879 --- /dev/null +++ b/libavutil/cpu.c @@ -0,0 +1,66 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "cpu.h" +#include "config.h" + +#if ARCH_ARM +# include "arm/cpu.h" +#elif ARCH_PPC +# include "ppc/cpu.h" +#elif ARCH_X86 +# include "x86/cpu.h" +#else +int av_get_cpu_flags(void) +{ + return 0; +} +#endif + +#ifdef TEST + +#undef printf + +int main(void) +{ + int cpu_flags = av_get_cpu_flags(); + + printf("cpu_flags = 0x%08X\n", cpu_flags); + printf("cpu_flags = %s%s%s%s%s%s%s%s%s%s%s%s\n", +#if ARCH_ARM + cpu_flags & AV_CPU_FLAG_IWMMXT ? "IWMMXT " : "", +#elif ARCH_PPC + cpu_flags & AV_CPU_FLAG_ALTIVEC ? "ALTIVEC " : "", +#elif ARCH_X86 + cpu_flags & AV_CPU_FLAG_MMX ? "MMX " : "", + cpu_flags & AV_CPU_FLAG_MMX2 ? "MMX2 " : "", + cpu_flags & AV_CPU_FLAG_SSE ? "SSE " : "", + cpu_flags & AV_CPU_FLAG_SSE2 ? "SSE2 " : "", + cpu_flags & AV_CPU_FLAG_SSE2SLOW ? "SSE2(slow) " : "", + cpu_flags & AV_CPU_FLAG_SSE3 ? "SSE3 " : "", + cpu_flags & AV_CPU_FLAG_SSE3SLOW ? "SSE3(slow) " : "", + cpu_flags & AV_CPU_FLAG_SSSE3 ? "SSSE3 " : "", + cpu_flags & AV_CPU_FLAG_SSE4 ? "SSE4.1 " : "", + cpu_flags & AV_CPU_FLAG_SSE42 ? "SSE4.2 " : "", + cpu_flags & AV_CPU_FLAG_3DNOW ? "3DNow " : "", + cpu_flags & AV_CPU_FLAG_3DNOWEXT ? "3DNowExt " : ""); +#endif + return 0; +} + +#endif -- cgit v1.2.3